{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{ccc}}
\toprule
                    &\multicolumn{9}{c}{Full sample}                                                                                     &\multicolumn{3}{c}{L2 database}       \\\cmidrule(lr){2-10}\cmidrule(lr){11-13}
                    &        Mean&        S.D.&           N&        Mean&        S.D.&           N&        Mean&        S.D.&           N&        Mean&        S.D.&           N\\
\midrule
Democrat            &        0.70&        0.46&         900&        0.56&        0.50&         218&        0.74&        0.44&         682&        0.47&        0.50&        8245\\
Republican          &        0.20&        0.40&         900&        0.33&        0.47&         218&        0.15&        0.36&         682&        0.42&        0.49&        8245\\
Independent         &        0.10&        0.30&         900&        0.11&        0.31&         218&        0.10&        0.30&         682&        0.12&        0.32&        8245\\
Age                 &       53.19&       19.04&         509&       57.97&       16.36&         117&       51.76&       19.56&         392&       49.42&       19.77&        8280\\
Male                &        0.41&        0.49&         497&        0.45&        0.50&         114&        0.40&        0.49&         383&        0.45&        0.50&        8280\\
Female              &        0.57&        0.50&         497&        0.54&        0.50&         114&        0.58&        0.49&         383&        0.54&        0.50&        8280\\
White               &        0.73&        0.44&         497&        0.75&        0.44&         114&        0.73&        0.44&         383&        0.73&        0.44&        8178\\
Black               &        0.13&        0.34&         497&        0.10&        0.30&         114&        0.15&        0.35&         383&        0.09&        0.28&        8178\\
Hispanic/Latino     &        0.02&        0.15&         497&        0.04&        0.21&         114&        0.02&        0.13&         383&        0.09&        0.29&        8178\\
Asian               &        0.01&        0.12&         497&        0.04&        0.18&         114&        0.01&        0.09&         383&        0.03&        0.18&        8178\\
Out-party warmth    &       27.75&       22.98&         499&       20.10&       19.13&         115&       30.04&       23.55&         384&       19.56&       22.22&        7277\\
In-party warmth     &       71.72&       21.64&         500&       68.93&       21.39&         115&       72.56&       21.67&         385&       71.24&       19.91&        7277\\
BA listserv         &        0.76&        0.43&         900&            &            &            &            &            &            &            &            &            \\
L2 database         &        0.24&        0.43&         900&            &            &            &            &            &            &            &            &            \\
\bottomrule
\end{tabular}
}
